BGP-præfiksopslag
Indtast et præfiks (eller en enkelt adresse). Besvares fra vores daglige kopi af den globale routingtabel.
72.52.64.0/18
Annonceret præcist
- 72.52.64.0/18AS6939Hurricane Electric LLCRPKI Gyldig72.52.64.0
- Register
- ARIN · USA · 4. aug. 2006
- Tildelt blok
- 72.52.64.0 – 72.52.127.255
Dækkende ruter
Ingen mindre specifik rute dækker det.
Mere specifikke ruter
- 72.52.67.0/24AS40050Blue Rim Networks, LLCRPKI Gyldig72.52.67.0
- 72.52.71.0/24AS6939Hurricane Electric LLCRPKI Gyldig72.52.71.0
- 72.52.76.0/24AS18779EGIHostingRPKI Gyldig72.52.76.0
- 72.52.92.0/24AS6939Hurricane Electric LLCRPKI Gyldig72.52.92.0
- 72.52.95.0/24AS54288SolidTools Technology, Inc.RPKI Gyldig72.52.95.0
- 72.52.100.0/24AS54288SolidTools Technology, Inc.RPKI Gyldig72.52.100.0
- 72.52.102.0/23AS63219GovNETRPKI Gyldig72.52.102.0
- 72.52.107.0/24AS39499647-2339071RPKI Gyldig72.52.107.0
- 72.52.109.0/24AS36103Central Utah Telephone, Inc.RPKI Gyldig72.52.109.0
- 72.52.111.0/24AS6398143/F, AIA Tower, 183 Electric Road, North Point, Hong KongRPKI Gyldig72.52.111.0
- 72.52.113.0/24AS209242Cloudflare London, LLCRPKI Gyldig72.52.113.0
Denne tekst findes endnu ikke på dansk. Den vises på engelsk, indtil en oversættelse er udgivet.
On the internet, routes are announced as prefixes: an autonomous system tells its neighbours via BGP that it can deliver traffic for, say, 158.36.0.0/14. This tool looks a prefix up in our daily copy of the global routing table and shows three things:
- Exact announcements: which AS originates exactly this prefix. More than one origin (a MOAS) is normal for anycast services and some multihomed networks, and suspicious otherwise.
- Covering routes: less-specific announcements that contain it. Traffic follows the most specific route, so a covering route matters if the more-specific one disappears.
- More-specifics: announcements inside it, which may belong to other networks (customers, or a hijack).
Each announced route is also checked against the RPKI: whether a ROA authorises its origin AS.
The table is the view from APNIC’s route collector. Most of the global table is the same from everywhere, but a route that is filtered before it reaches that collector will not appear.
Ofte stillede spørgsmål
Why is my /24 not listed but a /16 is?
Your addresses are announced as part of the larger block, and no one announces the /24 separately. That is the normal case for most customers of a provider.
What is a more-specific hijack?
Someone announces a longer prefix inside your space. Because routers prefer the most specific route, traffic goes to them. RPKI with a strict max length makes such announcements invalid.
Can I enter a single address?
Yes. The tool then shows the most specific announced route that contains it.